/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
/*
*  @filename : field/date.h
*/
#ifndef _SERVER_FIELD_DATE_H
#define _SERVER_FIELD_DATE_H

#include <field/str.h>

class Field_date :public Field_str {
public:

  using Field::store;
  using Field::val_int;
  using Field::val_str;
  using Field::cmp;

  Field_date(unsigned char *ptr_arg, unsigned char *null_ptr_arg,
             unsigned char null_bit_arg,
             enum utype unireg_check_arg, const char *field_name_arg,
             const CHARSET_INFO * const cs)
             :Field_str(ptr_arg, 10, null_ptr_arg, null_bit_arg,
               unireg_check_arg, field_name_arg, cs)
             {}
  Field_date(bool maybe_null_arg, const char *field_name_arg,
                const CHARSET_INFO * const cs)
             :Field_str((unsigned char*) 0,10, maybe_null_arg ? (unsigned char*) "": 0,0,
               NONE, field_name_arg, cs) {}
  inline enum_field_types type() const      { return COLLAPSAR_TYPE_DATE;}
  inline enum_field_types real_type() const { return COLLAPSAR_TYPE_DATE; }
  inline enum ha_base_keytype key_type() const { return HA_KEYTYPE_UINT24; }
  inline enum Item_result cmp_type () const    { return INT_RESULT; }
  int  store(const char *to,uint32_t length,
             const CHARSET_INFO * const charset);
  int  store(double nr);
  int  store(int64_t nr, bool unsigned_val);
  int  store_time(COLLAPSAR_TIME *ltime, enum enum_collapsar_timestamp_type type);
  int  reset(void) { ptr[0]=ptr[1]=ptr[2]=0; return 0; }
  double val_real(void);
  int64_t val_int(void);
  String *val_str(String*,String *);
  int cmp(const unsigned char *,const unsigned char *);
  void sort_string(unsigned char *buff,uint32_t length);
  uint32_t pack_length() const { return 3; }
  void sql_type(String &str) const;
  bool can_be_compared_as_int64_t() const { return true; }
  bool zero_pack() const { return 1; }
  bool get_date(COLLAPSAR_TIME *ltime,uint32_t fuzzydate);
  bool get_time(COLLAPSAR_TIME *ltime);
};

#endif //_SERVER_FIELD_DATE_H

